Lawn mower



G. F. BULL.

LAWN MowER Fild June 9. 1922 a'sheets-sheet 1 ,mamon Geom e F LL Sept 4,1923.

l -Filed June 9. 1922 lNVENTISR:

ge onge l 511315,

Patented Sept. 4, 1923.

JQNETE@ S'ETES einen? c GEORGE FREDERICK BULL, OF BIRMINGEATJI,ENG-LAND, ASSIGNOR 0F ONE-HALF TOf CHARLES H... PUG-H LIMITED, OFBIRMINGHAM, ENGLAND.

LAWN MOWER.

Application ined June a, 1922. serial No. 566,967.

Z' 0 all @07mm t mag/,concewz:

Be it known that I, Gnome Flinnmucn BULL, subject of the King of GreatBritain,

residing at Birmingham, England, havein- Vvented certain new and usefulImprovements in Lawn Mowers, of which the followingis a specification.

AThis invention relates to lawn-mowers," and has more particularreference 'to thel grass conveyors thereof whereby the cut grass isconveyed into the grass-box of the` machine trom the cutters ot thesame. lt

is not always desired, however Vto use the grass-box, and the same isthen removed from the machine with the result vthat the cut grass isdirected by means of the Vconveyor into the'pat-h of the machine.` Thus,this cut grass is passed and re-passed through the machine giving thelatter VeX- tra and Vunnecessary work to perform and ,also tending 'toclog the cutters thereor".V

To 'overcome this defect itphas been proposed to makethe said conveyordetachable so that it can be removed from the-machine when the same isbeing used without the grass-box, the resultv being that, the grasscoming from the cutters is directed to the rear of the machine.

The object of this invention is to provide an improvedrform ofdetachable, grass-conveyor for lawn-mowers.

According to the lpresent invention the.

Y grass conveyor ,comprises asuitably shaped plate mounted upon rigidskeletonramework members'so that the* lower Vedge of the conveyor plateis disposedl behind a ledge upon the said skeletonframework member andrests upon a' plurality of* seatings located to the rear of thesaidfledge, suitable means beingv provided for readilyattachingthe plateto, or detaching the same from, the aforesaidframework member.

Figure l is a side elevation o apowerdriven lawn-mowery having thisinvention fitted thereto. i

Figures 2 and 3 aretront and rear elevations respectively of theVv grassconveyor, they frame of rthe machine being; cut awayiipon Vcutter 7 ofthe Figure 4 is a transverse section through the grass-conveyor takenuponv the line 4 4, Figure 2.

Figure 5 isa transverse section through4 the grass conveyor taken uponthe line 5 5,Y

Figure2. Y y

Figure 6 is a vtransverse sectionthrough the grassV conveyor taken upontheline 6%6, Figure 2. i l Figure 7 is a plan view of lone end of thelgrass conveyor part of the wingfnut'being insection. J c

Figure 8 is a transverse section through the grassA conveyor taken uponthe line 8 8, Figure 2,.V the conveyor plate being shown detached. Y p jIn carrying Vout of the invention as illustrated c upon the accompanyingdrawings, the detachable conveyor-plate -l is mounted upona rectangularand `substantiallyl vertically disposedV skeleton framework member 2Ywhich'is' rigidly bolted to the frame 3 et the machine. rlhis frameworkmemtached to the lower longitudinal side of the skeleton frame-workvnfiemloer is the linedi machine, while slightly tothe rear of itscentre this side is provided with a ledge' 8 running throughout thelength thereof.` Disposed. tothe rear of Vthis ledge.

are two projections 9 which torm'seatings 10 upon which the, loweredgeloi' the detach# able conveyor-plate is adaptedvto .be Vsup-* ported.These sea-tinge l0 are forwardly andV downwardly V.inclined` and areVdisposed equidis'tant from their framework member'and from each. other.rlhe depth of the aforesaid ledge 8jis greater thanthe distance fromthetop of the latter to theseatings '10, so that anyk dirt accumulatingbehind 'the ledge is pushed away b v the lower edge of theconveyorLplate Vwhen thellatteris iitted in position. To v of'dirtuponthel avoid the. accumulation adjacent ends'lof the. f

aforesaid seating's,y between theasame and the ledge, the latter iscutaway infront of the seatings to form grooves 11 the bases of whichform eontinuations of the said seatings.' Thus.` any dirt upon thelatter is pushed by the lower edge of the conveyorplate downfinto thegrooves, so that the said edge will all times properly." seat itselfupon the seatings 10.

Secured to the rear of the upper odge of the conveyor-plate is a pair ofclaw meinbers 12 disposed one adjacent each end thereof. rlhese membersengage al rib 13 upon the upper framework member, the rear edge ot thisrib being rearwardly and downwardly inclined so that upon the clawmembers being forced over the rib, as will bel hereinafter explained,they are moved downwardly and rearwardly. T he outer ends of theclawrmembers are bifurcated-to receive vertically-disposed bolts 14carried Aby the upper side of the skeleton framework inember, the innerends of the slots 15 thus formed being pro'lrideclv with recesses 16which are adapted to receive-shoulders 1*( upon wing-nuts 18 screwed onthe bolts. The lower edges preferably bevelled to facilitate*y theApositioning of the plate during the fitting' of the latter.

Y To attach thev conveyor-plate 1 to the skeleton framework member 2"the bifurcated claw members 12 uponthe plate are passed over theaforesaid bolts 111- and the lower edge of the plate vbehind they ledgeS upon-'the lower side member of the framework member. Thewing-nutslSare next screwed down ders 19 Ythereon enter the aforesaid recesses inthey claw members. Upon the wing-nuts being screws-rL down further theytake ywith Y them` the claw members which are drawn ydoi'vnwardly andrearwardly7 through engaging with the inclined rear edge4 ot the rib 13upon the upper side .member of the skeleton framework member. |1`hisimparts` Kto the conveyor-plate adownward circular position.

movement until the lower edge thereofiirinly sea-tsfitself upon theaforesaid'- seatings 10, whereupon the plate is securely locked in T o dtach the plate the above operation is reversed.

,Vhen the machine is being usedl with the grass-box 20, theconveyor-plate is fixed position upon the skeleton framework member. andso directs the cut grass into .the grass` box,Y Wien the machine. isused without the latter the conveyor-plate is also removed, so that thegrass coming from the cutters passes member to the rear of the machine.

Having fully described our invention, what we desire to claim and secureby Letters Patent is 1. A grass conveyor for lawn-mowers havlongitudinalside of the 19 of these shoulders are so that the bevelled shoul-vVlower side having grooves through the skeleton frameworkV ing a rigidskeleton framework member', a'

ledge upon the framework member, a detachable conveyor plate mountedupon the said framework member with its lower edge disposed behind thesaid ledge, a plurality ofv ,seatings upon which thev said lower edge ofthe conveyor plate' rests, and means for readily attaching the plate toand detaching the same from the aforesaid framework member. n 1

grassconveyorfo'r 'lawn mowers having a rigid skeleton framework-member,seatings mounted upon the lower side of the framework member', a ledgeupon the said lower side having grooves located in front of the saidseatings,'a detachable conveyori plate mounted upon the said frameworkmember with itslower' edgerestingiupon the seatings and disposed totherear'of lthe said ledge and means for readily attaching the plate to anddetaching the samey from the aforesaid framework member. 4

3. A grass conveyor for lawn-mowers having a rigidA skeleton frameworkmember, seatings mounted upon the lower side of the framework member, aledge upon the said,

lower side lhaving groovesy located in front ofthe said seatingsl andwhose" depth is greater than the distance from the top there- Vof to theseatingsa detachable conveyor,- Vplate mounted `upon the said frameworkmember with itsv lower edgeresting upon the seatings and disposed to therear ofthe said ledge and means for readily*r attachingfthe plate to anddetaching thesame from the` aforesaid framework member. p

4. A grass conveyor for'lawn-mowershaving a rigid skeleton frameworkmember, a ledgeA upon the framework member, Va detachable conveyoryplateA mounted upon the said framework member with its lowerV edgedisposed behind the'said ledge,v a plurality of seatings upon which thesaid lower edge of the conveyor plate rests, a claw member upon the'detachable conveyor plate, an iticlined face upon the framework memberwithA which the lsaid claw member engages, and means for forcing theclaw memberover the inclined face so that itjis movedA downwardly andrearwardly thus impart-ing to, the conveyor plate a downwardcircularmovement andlat. the same time securely locking' the plate inposition.

, 5,. gra ss conveyor ing a rigid seatings mounted upon the lowersideofV the tr'amework member, a ledge upon theA said located ,in frontwhose depthy is v for lawn-mowers havskeleton framework member,

of the said seatings and greater than the distance from the top.

izo

thereof to the rseat-ings a detachableV con- Y veyor-plate mounted workmember` with its lowerA edgeyresting upon the seatings )and 1disposedtothe rear of the said ledge and means for readily at- .upon the saidrranie- Iii downward Circular movement and et the witnesses. y i v YGEORGE FREDERICKBULL. 1

same time securely locking the V'plete in po-` sition. K v;

In testimony whereof I have hereunto set my hand in presence of .twosubscribing Witnesses:

.W. L. SKERRE'LT, H. N. VKSKERRETT.

